package com.hck.ch02.demo;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;



import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;

public class Demo1 {
    public static void main(String[] args) throws ParserConfigurationException, IOException, org.xml.sax.SAXException {
        //得到DOM解析的工厂实例
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        //从DOM工厂获得DOM解析器
        DocumentBuilder db = dbf.newDocumentBuilder();
        //解析XML文档，得到一个document对象，即DOM树
        Document doc = db.parse("src\\com\\hck\\ch02\\demo\\Phone.xml");
        //得到所有Brand节点列表信息
        NodeList brandList = doc.getElementsByTagName("Brand");
        //循环Brand信息
        for (int i = 0; i < brandList.getLength(); i++){
            //获取第i个Brand元素信息
            Node brand = brandList.item(i);
            //获取第i个Brand元素的name属性的值
            Element element = (Element)brand;
            String attrValue = element.getAttribute("name");
            //获取第i个Brand元素的所有子元素的name属性值
            NodeList types = element.getChildNodes();
            for (int j = 0; j < types.getLength(); j++){
                Node node=types.item(j);
                if (node.getNodeType()==Node.ELEMENT_NODE){
                    Element typeElement = ((Element) types.item(j));      //Type节点
                    String type = typeElement.getAttribute("name");    //获得手机型号
                    System.out.println("手机："+attrValue+type);
                }

            }
        }
    }
}
